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Question :

 In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements:

  1. The main advantage of the use of H-CNG is the elimination of carbon monoxide emissions.
  2. H-CNG as fuel reduces carbon dioxide and hydrocarbon emissions.
  3. Hydrogen up to one-fifth by volume can be blended with CNG as fuel for buses.
  4. H-CNG makes the fuel less expensive than CNG.

Which of the statements given above is/are correct?

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1 Answer 0 Comments 67 views July 31, 2020 at 05:00 pm

Question :

Consider the following statements:

  1. Agricultural soils release nitrogen oxides into environment.
  2. Cattle release ammonia into environment.
  3. Poultry industry releases reactive nitrogen compounds environment.

Which of the statements given above is/arc correct?

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1 Answer 0 Comments 74 views July 31, 2020 at 04:59 pm

Question :

 Consider the following statements:

  1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India.
  2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention.
  3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority.

Which of the statements given above is/are correct?

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0 Answer 0 Comments 41 views July 31, 2020 at 04:58 pm

Question :

In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as

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0 Answer 0 Comments 60 views July 31, 2020 at 04:56 pm

Question :

Consider the following pairs:

Sea Bordering Country
1. Adriatic Sea Albania
2. Black Sea Croatia
3. Caspian Sea Kazakhstan
4. Mediterranean Sea Morocco
5. Red Sea Syria

Which of the pairs given above are correctly matched?

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0 Answer 0 Comments 49 views July 31, 2020 at 04:51 pm

Question :

Consider the following:

  1. Carbon monoxide
  2. Methane
  3. Ozone
  4. Sulphur dioxide

Which of the above are released into atmosphere due to the burning of crop/biomass residue?

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0 Answer 0 Comments 66 views July 31, 2020 at 04:50 pm

Question :

Which of the following statements are correct about the deposits of ‘methane hydrate’?

  1. Global warming might trigger the release of methane gas from these deposits.
  2. Large deposits of ‘methane hydrate’ are found in Arctic Tundra and under the seafloor.
  3. Methane in atmosphere oxidizes to carbon dioxide after a decade or two.

Select the correct answer using the code given below.

 

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0 Answer 0 Comments 62 views July 31, 2020 at 04:49 pm

Question :

Consider the following States:

  1. Chhattisgarh
  2. Madhya Pradesh
  3. Maharashtra
  4. Odisha

With reference to the States mentioned above, in terms of percentage of forest cover to the total area of State, which one of the following is the correct ascending order?

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0 Answer 0 Comments 29 views July 31, 2020 at 04:47 pm

Question :

 For the measurement/estimation of which of the following are satellite images/remote sensing data used?

  1. Chlorophyll content in the vegetation of a specific location
  2. Greenhouse gas emissions from rice paddies of a specific location
  3. Land surface temperatures of a specific location

Select the correct answer using the code given below.

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0 Answer 0 Comments 47 views July 31, 2020 at 04:45 pm

Question :

Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of

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0 Answer 0 Comments 37 views July 31, 2020 at 04:44 pm

Question :

Why is there a great concern about the ‘microbeads' that are released into environment?

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0 Answer 0 Comments 41 views July 31, 2020 at 04:43 pm

Question :

Consider the following pairs

Wildlife Naturally found in
1. Blue-finned Mahseer Cauvery River
2. Irrawaddy Dolphin Chambal River
3. Rusty-spotted Cat Eastern Ghats

Which of the pairs given correctly matched?

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0 Answer 0 Comments 33 views July 31, 2020 at 04:41 pm

Question :

Consider the following statements:

  1. Some species of turtles are herbivores.
  2. Some species of fish are herbivores.
  3. Some species of marine mammals are herbivores.
  4. Some species of snakes viviparous.

Which of the statements given above arc correct?

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0 Answer 0 Comments 42 views July 31, 2020 at 04:40 pm

Question :

Which of the following are in Agasthyamala Biosphere Reserve?

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0 Answer 0 Comments 44 views July 31, 2020 at 04:39 pm

Question :

In the context of which one of the following arc the terms ‘pyrolysis and plasma gasification’ mentioned?

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0 Answer 0 Comments 37 views July 31, 2020 at 04:38 pm

Question :

In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?

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0 Answer 0 Comments 37 views July 31, 2020 at 04:36 pm

Question :

 In a given year in India, official poverty lines are higher in some States than in others because

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0 Answer 0 Comments 54 views July 31, 2020 at 04:34 pm

Question :

onsider the following pairs:

Famous place River
1. Pandharpur Chandrabhaga
2. Tiruchirappalli Cauvery
3. Hampi Malaprabha

Which of the pairs given above are correctly matched?

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0 Answer 0 Comments 38 views July 31, 2020 at 04:33 pm

Question :

Consider the following statements:

  1. Asiatic lion is naturally found in India only.
  2. Double-humped camel is naturally found in India only.
  3. One-horned rhinoceros is naturally found in India only.

Which of the statements given above is/are correct?

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0 Answer 0 Comments 35 views July 31, 2020 at 04:30 pm

Question :

Which one of the following groups of plants was domesticated in the ‘New World’ and introduced into the 'Old World'?

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0 Answer 0 Comments 44 views July 31, 2020 at 04:27 pm

Question :

On 21st June, the Sun

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0 Answer 0 Comments 37 views July 31, 2020 at 04:25 pm

Question :

Atal Innovation Mission is set up under the

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0 Answer 0 Comments 41 views July 31, 2020 at 04:23 pm